40107678 has 16 divisors (see below), whose sum is σ = 86385936. Its totient is φ = 12340800.

The previous prime is 40107659. The next prime is 40107701. The reversal of 40107678 is 87670104.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257023 + ... + 257178.

It is an arithmetic number, because the mean of its divisors is an integer number (5399121).

Almost surely, 2^40107678 is an apocalyptic number.

40107678 is an abundant number, since it is smaller than the sum of its proper divisors (46278258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40107678 is a wasteful number, since it uses less digits than its factorization.

40107678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514219.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 40107678 is about 6333.0622924459. The cubic root of 40107678 is about 342.3017923630.

The spelling of 40107678 in words is "forty million, one hundred seven thousand, six hundred seventy-eight".